<template>
	<Footer :class="prefixCls" v-if="getShowLayoutFooter" ref="footerRef">
		<slot></slot>
		<div>Copyright &copy;vue3</div>
	</Footer>
</template>

<script lang="ts">
import { computed, defineComponent, unref, ref } from 'vue';
import { Layout } from 'ant-design-vue';

import { GithubFilled } from '@ant-design/icons-vue';

import { openWindow } from '@/utils';

import { useRootSetting } from '@/hooks/setting/useRootSetting';
import { useRouter } from 'vue-router';
import { useDesign } from '@/hooks/web/useDesign';
import { useLayoutHeight } from '../content/useContentViewHeight';

export default defineComponent({
	name: 'LayoutFooter',
	components: { Footer: Layout.Footer, GithubFilled },
	setup() {
		const { getShowFooter } = useRootSetting();
		const { currentRoute } = useRouter();
		const { prefixCls } = useDesign('layout-footer');

		const footerRef = ref<ComponentRef>(null);
		const { setFooterHeight } = useLayoutHeight();

		const getShowLayoutFooter = computed(() => {
			if (unref(getShowFooter)) {
				const footerEl = unref(footerRef)?.$el;
				setFooterHeight(footerEl?.offsetHeight || 0);
			} else {
				setFooterHeight(0);
			}
			return unref(getShowFooter) && !unref(currentRoute).meta?.hiddenFooter;
		});

		return {
			getShowLayoutFooter,
			prefixCls,
			openWindow,
			footerRef,
		};
	},
});
</script>
<style lang="less" scoped>
@prefix-cls: ~'@{namespace}-layout-footer';

@normal-color: rgba(0, 0, 0, 0.45);

@hover-color: rgba(0, 0, 0, 0.85);

.@{prefix-cls} {
	color: @normal-color;
	text-align: center;

	&__links {
		margin-bottom: 8px;

		a {
			color: @normal-color;

			&:hover {
				color: @hover-color;
			}
		}
	}

	&__github {
		margin: 0 30px;

		&:hover {
			color: @hover-color;
		}
	}
}
</style>
